Looking beautiful in her red dress, Pia kicked off the special concert honoring members of the military and their families with a solid rendition of National Anthem "The Star-Spangled Banner". The former wedding singer belted out the song with the backdrop of Washington's monuments and the crowd gathering for the event put on display.

Kris later took the stage set on the lower ground to deliver another patriotic song "God Bless the USA". Saluting the troops, he said, "Thank you so much for everything you do and for the ones that's just come home, welcome home." During the performance, he also took time to shake the hands of the men and women in the service who sat in the front row.

Kris Allen himself comes from military family. "Both my granddads were in the military," he said. "And actually my wife's family is a military family. Her dad is retired from the Air Force."